Lamp-cowl.



E. A. HAWTHORNE.

LAMP COWL.

nrucmou FILED AUG-M913- 1,196,951. latentedSept. 5,1916.

I nventb r Emworih JHuwlho rne ELLSWOBTH A. HAWTHORNE, BRIDGEPORT, CONNECTICUT.

LAMP-COWL.

Specification of Letters Patent.

Patented Sept. 5, 1916.

Application filed August 16, 1913. Serial No. 785,041.

To all whom it may concern Be it known that I, ELLSWORTII A. HAW- 'IHORNE, a citizen of the United States, and a resident of Bridgeport, county of Fairfield, State of Connecticut, (whose post-office address is 35 Spruce street, Bridgeport, Connecticut,) have invented an Improvement in Lamp-Cowls, of which the following de scription, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

This invention consists in improvements in lamp eowls or deflectors, being intended more particularly to provide a simple form of cowl or deflector readily removable from the lamp.

In connection with lamps, and particularly lamps employed for motor cycle, automobile or bicycle use, it is frequently desirable to provide a cowl or deflector which will serve to deflect the rays of light toward the ground and avoid the blinding effect upon a person approaching in the opposite direction. Such a cowl or deflector, however, depending upon the use to which'it is put, is more or less susce tible to injury.

or example, in the case 0 motor cycle use if the machine is upset the lam cowl is quite likely to be damaged. ere such cowl is provided as a permanently attached part of the lamp any injury to the cowl requires the entire lam to be removed from the machine and repaired. Through the use of the present invention a simple but effective form of cowl is provided which can be readily removed from the machine for the purposes of repair or replacement, or for any other desired pur ose.

The invention will be est understood by reference to the following description taken inconnection with the accompanying illustration of one specific embodiment thereof, while its scope will be more particularly pointed out in the appended claims.

In the drawings Fi re 1 represents a side elevation partly bro (en away of a lamp showing one form of my invention; Fig. 2

I is a front elevation of the lamp shown in Fig. 1; and Fig. 3 is a section taken on line 3-3 of Fig. 1.

Referring to the drawings and to the specific embodiment of my invention there shown for illustrative purposes, I have shown the same applied to a common form of motor cycle lamp, herein an electric lamp provided with a main body or casing 1. The

latter, as is common, contains a suitable reflector to ether with the light source, herein an efectric lamp. The lamp casing includes not only the lamp body, but a flared front wall 2 and a door frame 3, the latter being herein, as usual, hinged to the flared portion 2 by means of hinges (not shown), and provided with a light transmitting aperture suitably closed by a glass front. Herein the door frame is of a general cylindrical form having two external, annular beads 4 and 5 providing between them a seat for the metal flange 6 of the cow] or deflector 7, which latter also has a beaded portion 8 to fit over the bead 4 on the door frame.

This cowl may be of any suitable size or shape to protect the upper portion of the lamp aperture and deflect downwardly the ra s of light which tend to pass up.

0 retain the cowl in position upon the lamp casing, and herein specifically upon the hinged door frame, there is provided a clam ing band 9 which entirely encircles the at portion of the door frame between the beads 4 and 5 outside the segmental flange 6, serving to removably hold the cowl upon the door. The clamping ring is recessed or set back at the points 10 and 11 so as to receive the segmental flange, which latter only partly encircles the door frame. The clamping band is provided with opposing tongues 12 and 13, a clamping screw 14, and nut 15, whereby two portions may be drawn together to fasten the cowl tightly in position, the clamping band being drawn down tightly between the two beads and the flange upon the cowl being clamped thereby securely to its broad seat upon the door frame. The cowl is held rigidly in position while at the same time it may be readily removed with little effort.

While I have herein shown and described for urposes of illustration one specific form of t e invention, it is to be understood that the same is not to be limited to the constructional details herein shown or the particular form or relative arrangement of parts disclosed, but that extenslve deviations may be made therefrom without departin from the spirit of the invention.

Havmg thus described one embodiment of my invention, what I claim and desire by Letters Patent to procure is:

1. A lamp comprising, in combination, a casing provided with a door and a door frame, the latter having two annular headsa removable cowl having a flange adapted to partly encircle and seat u on said door frame between said beads; a e amping band also encircling the door frame outside of the ilange and between the beading for removably securing the cowl to the door frame, said band having an oll'set to accommodate the flange; and means for clamping the band in position.

2. A lamp comprising, in combination, a casing; a pair of annular beads on said casing; a removable cowl having a se mental portion adapted to seat between and interengaging with said beads; and means onoirelin said casing and segmental portion for ho ding the latter insuch interengagement.

Oopios of this patent may be obtained for ing and engaging a portion of said cowl to hold the cowl against movement in a transverse direction.

4. A lamp comprising, in combination, a casing, ing, a removable cowl having a segmental portion adapted to seat between and interengagin with said beads, and holding means a so seating between said beads and maintaining said segmental portion in such interengagement.

5. A lamp comprising, in combination, a casin a pair of beads on said casing, a remova le cowl having a segmental portion adapted to sent between and intercngaging with said beads, and means encircling said cnsiiig and segmental portion for holding the latter in such interengagement.

In testimony whereof have signed my name to this specification, in the presence of two subscribin witnesses.

ELLSWO TH A. HAWTHORNE.

Witnesses Ham-1N G. FINAN, E. Hon/ion llaw'rnoann.

ave cents each, by addressing the "Commissioner of Patents,

Wuhington, D. 0.

a pair of annular beads on said cas- 

